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Nowadays, LED display screens are used more and more widely. They can be seen in financial securities, sports, traffic information, advertising, etc. This is also because the cost of LED has dr...[Details]

As shown in the figure, this is a resistance fast estimation circuit. The core of this circuit is a multivibrator composed of 555 and R1, R2, R3, Rx (resistance to be measured), C1, etc. Resistors R4~...[Details]

The addressing mode that directly gives the operand address (dir) in the instruction is called direct addressing. The addressing objects are: 1 internal data memory, which is represented by a direct ...[Details]

fill in the blank 1. In serial communication, there are  three data transmission directions: (simplex), (half-duplex ) and (full-duplex  ). 2. To set the serial port to 10-bit UART, the working mod...[Details]

Nvidia released its second quarter financial report for fiscal year 2020. The report showed that Nvidia's second quarter revenue was $2.579 billion, down 17% from $3.123 billion in the same period la...[Details]

Support the Greater Bay Area in strengthening digital infrastructure and help build Hong Kong into an international innovation and technology center HONG KONG - Media OutReach - Dece...[Details]

According to media reports such as Jinan Times and Beijing News, Ms. Liu, a Hefei resident, recently encountered a strange thing. She bought an iPhone 12 Pro Max on Apple's official website, but when...[Details]

Many electrical novices are not sure how to start debugging after designing electrical control cabinets and PLC programs. Or some people have caused problems such as PLC burnout due to inappropriat...[Details]

    Current LCD modules include character type, graphic dot matrix type and simple digital code pattern. If three kinds of content are displayed on the same screen, only dot matrix type can be used,...[Details]

    Velodyne, the pioneer of LiDAR, has officially decided to lay off more than 20 employees in its Beijing office, including the direct sales team and some technical support, and to restore its sale...[Details]

(Reporter Daqiong Huadan Nima) On the 17th, a mobilization meeting for the start of the Ali-Tibet-Central power grid interconnection project was held in Lhasa. The feasibility study report of the p...[Details]

When installing and using a gas detector at home, install the air conditioner and heating equipment close to the combustible gas detector. When using the air conditioner and heating equipment, if the ...[Details]

On October 26, the Key Laboratory of Advanced Semiconductor Optoelectronic Devices and System Integration of Jincheng Optoelectronic and Mechanical Industry Research Institute officially started cons...[Details]

The PIC series of microcontrollers are high-performance 8-bit microcontrollers with a reduced instruction set launched by Microchip of the United States. They have the advantages of fewer pins, superi...[Details]

　　As a new high-level programming language, C language has a wide range of applications and implementations in computer software programming. Below, I will introduce the usage of bit in C language in...[Details]